US20040140084A1 - Heat dissipating device with forced coolant and air flow - Google Patents
Heat dissipating device with forced coolant and air flow Download PDFInfo
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- US20040140084A1 US20040140084A1 US10/636,844 US63684403A US2004140084A1 US 20040140084 A1 US20040140084 A1 US 20040140084A1 US 63684403 A US63684403 A US 63684403A US 2004140084 A1 US2004140084 A1 US 2004140084A1
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- United States
- Prior art keywords
- heat
- container
- heat sink
- outlet
- inlet
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/46—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids
- H01L23/473—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids by flowing liquids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0266—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/46—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids
- H01L23/467—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids by flowing gases, e.g. air
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Definitions
- the present invention relates to heat dissipating devices having both forced coolant and air flow and, more particularly, to a heat dissipating device for cooling down an electronic component.
- a modern high-density CPU generates more heat per unit area than its predecessors. Excessive heat in associated electronic equipment can degrade the performance and reliability of electronic components, and can even cause complete malfunction.
- Appropriate instantaneous cooling must be provided to prevent accumulation of excessive heat in the electronic components, in order to ensure that the electronic components can function effectively below their maximum permissible operating temperatures. Adequate cooling also protects the CPU itself from sudden or premature failure or interruption in operation, and ensures long-term reliability of the CPU.
- a conventional heat dissipating device comprises an electric fan coupled to the CPU. However, this kind of heat dissipating device is increasingly unable to satisfy the needs of contemporary high speed CPUs. This has given rise to another kind of heat dissipating device, in which both forced coolant flow and airflow are provided.
- the heat dissipating device comprises a heat-conductive block, a water container, a heat sink, a pump, a heat pipe and cooling liquid.
- the heat-conductive block comprises a plurality of staggered partitions, the partitions cooperatively forming a circulatory passage containing the cooling liquid.
- the heat-conductive block is attached onto a surface of an electronic component such as a CPU, in order to absorb heat from a surface of the electronic component and transfer the heat to the cooling liquid.
- the cooling liquid absorbs the heat and flows to the water container via the pipe under driving force of the pump, and the heat is dissipated at the water container.
- the cooling liquid then flows into the heat sink, where more of the heat is dissipated.
- the heat dissipating device couples forced liquid cooling and forced airflow cooling, and thus provides improved heat dissipation efficiency.
- object of the present invention is to provide a heat dissipating device with forced coolant and air flow which has excellent heat dissipation efficiency.
- a heat dissipating device comprises a heat-conductive container, a heat sink, and an electric pump.
- the container comprises a main body and a top cover mounted to the main body.
- the main body defines a containing channel therein, and a first inlet and a first outlet at opposite ends of the containing channel.
- the container adapted to be intimately attached onto a heat-generating element.
- the heat sink comprises a plurality of fins and a heat pipe extending through the fins. One end of the heat pipe is connected to the first outlet of the container.
- the electric pump has a second inlet and a second outlet. The second inlet is connected to an opposite end of the heat pipe. The second outlet is connected to the first inlet of the container.
- the container, the heat sink and the pump thereby forms a hermetic loop.
- Liquid coolant is received in the hermetic loop and flows under driving force of the pump.
- a fan is mounted to a side of the heat sink to provide forced convection.
- the heat generated from an electron component can be continuously dissipated via the heat sink by continuous circulation of the liquid coolant.
- FIG. 1 is an exploded, isometric view of a heat dissipating device in accordance with a preferred embodiment of the present invention
- FIG. 2 is an assembled view of FIG. 1;
- FIG. 3 is an isometric view of the heat dissipating device of FIG. 2 installed in a computer cage.
- a heat dissipating device 1 in accordance with the preferred embodiment of the present invention comprises a heat-conductive container 10 , a heat sink 20 , an electric fan 40 , a heat-conductive pipe 50 , liquid coolant (not shown), and an electric pump 30 .
- the container 10 is attached to a primary surface of an electronic component such as a CPU (not shown), to transfer heat generated by the CPU to the heat sink 20 for subsequent dissipation therefrom.
- the container 10 comprises a main body 11 and a top cover 18 .
- the main body 11 comprises a plurality of parallel partitions 12 .
- Each partition 12 has one end adjoining a peripheral wall of the main body 11 , and an opposite free end 122 .
- Consecutive adjacent partitions 12 are arranged so that the free ends 122 are staggered.
- a zigzagged passageway (not shown) is defined in the main body 11 , for the liquid coolant to flow therealong.
- a plurality of vertical heat pins 14 is arranged between each two adjacent partitions 12 .
- a first outlet 16 and a first inlet 17 are respectively defined in two opposite sides of the peripheral wall.
- the heat sink 20 comprises a bottom plate (not labeled), a plurality of parallel fins 21 supported on the bottom plate, a U-shaped shell 25 covering three sides of the plurality of fins 21 , and a heat pipe 23 that winds back and forth through the plurality of fins 21 from a bottom of the heat sink 20 to a top of the heat sink 20 .
- the bottom plate, shell 25 and plurality of fins 21 cooperatively define a plurality of parallel airflow passages between the fins 21 .
- the heat pipe 23 comprises an input portion 232 and an output portion 234 at respective opposite ends thereof. The input portion 232 of the heat pipe 23 is directly connected to the container 10 at the first outlet 16 .
- the input portion 23 can be indirectly connected to the container 10 at the first outlet 16 via an intermediate pipe (not shown).
- the heat sink 20 is directly positioned on the container 10 such that the bottom plate of the heat sink 20 intimately contacts a top surface of the cover 18 , in order to enhance an efficiency of heat transfer therebetween.
- the pump 30 defines a second inlet 32 and a second outlet 34 .
- the second inlet 32 engagingly receives the output portion 234 of the heat pipe 23 .
- the second outlet 34 is connected to the first inlet 17 of the container 10 through a conductive pipe 50 .
- the pump 30 is retained on a base 36 by a fastener 38 .
- a plurality of screws 39 attaches the fastener 38 to the base 36 .
- Suitable sealing material is used to seal a joint where the first outlet 16 receives the input portion 232 , a joint where the second inlet 32 receives the output portion 234 , a joint where the second outlet 34 receives one end of the conductive pipe 50 , and a joint where the first inlet 17 receives an opposite end of the conductive pipe 50 .
- the container 10 , heat sink 20 , pump 30 and conductive pipe 50 thus cooperatively define a circulatory course therethrough.
- the liquid coolant is received in the circulatory course, and can flow under the driving force of the pump 30 .
- the sealing material provides hermetic sealing, which prevents the liquid coolant from leaking from the circulatory course.
- the fan 40 is mounted to a front side of the heat sink 20 via a frame 42 .
- the fan 40 provides forced airflow directly through the airflow passages of the heat sink 20 .
- the container 10 is attached to the primary surface of the CPU (not shown), and heat generated by the CPU is transferred to the liquid coolant via the main body 11 of the container 10 .
- the liquid coolant in the container 10 changes into high temperature liquid coolant, which flows out from the container 10 via the first outlet 16 into the heat pipe 23 of the heat sink 20 under driving force of the pump 30 .
- Heat of the high temperature liquid coolant is transferred to the fins 21 of the heat sink 20 , and dissipated therefrom by forced airflow provided by the fan 40 .
- the high temperature liquid coolant in the heat pipe 23 of the heat sink 20 is thus changed into low temperature liquid coolant.
- the low temperature liquid coolant flows through the circulatory course until it returns to the container 10 , whereupon it undergoes a new cycle as described above.
- the heat generated from the CPU can thus be continuously dissipated by continuous circulation of the liquid coolant.
- heat generated from the CPU is also directly transferred to the heat sink 20 through the cover 18 of the container 10 .
- the heat pins 14 of the container 10 enhance transfer of heat from the CPU to the cover 18 , and also enhance transfer of heat from the container 10 to the liquid coolant therein.
- the heat dissipating device 1 can be retained in a computer cage 60 .
- the pump 30 is mounted on a platform 64 of the cage 60 adjacent the heat sink 20 .
- the pump 30 may be mounted to another suitable part of the cage 60 .
- Forced airflow generated by the fan 40 flows directly from the airflow passages of the heat sink 20 into an inlet vent (not labeled) of a power supply 66 , and then to an outside of the cage 60 via an outlet vent (not shown) of the power supply 66 .
- the power supply 66 itself can also be cooled in this process. Indeed, other spaces inside the cage 60 can also be cooled in this process.
Abstract
A heat dissipating device (1) comprises a heat-conductive container (10), a heat sink (20), and an electric pump (30). The container defines a containing channel therein, a first inlet (17) and a first outlet (16) at opposite ends of the containing channel. The heat sink comprises a plurality of fins (21) and a heat pipe (23) extending through the fins. One end of the heat pipe is connected to the first outlet. The electric pump (30) has a second inlet (32) and a second outlet (34). The second inlet is connected to an opposite end of the heat pipe. The second outlet is connected to the first inlet. Thereby a hermetic loop is formed. Liquid coolant (not shown) is received in the hermetic loop and flows under driving force of the pump. Further, a fan is mounted to a side of the heat sink to provide forced convection.
Description
- 1. Field of the Invention
- The present invention relates to heat dissipating devices having both forced coolant and air flow and, more particularly, to a heat dissipating device for cooling down an electronic component.
- 2. Description of Related Art
- With the rapid advancement of electronic technology, the processing speeds of electronic devices such as central processing units (CPUs) are constantly increasing. A modern high-density CPU generates more heat per unit area than its predecessors. Excessive heat in associated electronic equipment can degrade the performance and reliability of electronic components, and can even cause complete malfunction. Appropriate instantaneous cooling must be provided to prevent accumulation of excessive heat in the electronic components, in order to ensure that the electronic components can function effectively below their maximum permissible operating temperatures. Adequate cooling also protects the CPU itself from sudden or premature failure or interruption in operation, and ensures long-term reliability of the CPU. A conventional heat dissipating device comprises an electric fan coupled to the CPU. However, this kind of heat dissipating device is increasingly unable to satisfy the needs of contemporary high speed CPUs. This has given rise to another kind of heat dissipating device, in which both forced coolant flow and airflow are provided.
- China Patent No. 99,254,044 discloses a heat dissipating device which is used in a computer. The heat dissipating device comprises a heat-conductive block, a water container, a heat sink, a pump, a heat pipe and cooling liquid. The heat-conductive block comprises a plurality of staggered partitions, the partitions cooperatively forming a circulatory passage containing the cooling liquid. The heat-conductive block is attached onto a surface of an electronic component such as a CPU, in order to absorb heat from a surface of the electronic component and transfer the heat to the cooling liquid. The cooling liquid absorbs the heat and flows to the water container via the pipe under driving force of the pump, and the heat is dissipated at the water container. The cooling liquid then flows into the heat sink, where more of the heat is dissipated. The heat dissipating device couples forced liquid cooling and forced airflow cooling, and thus provides improved heat dissipation efficiency.
- However, in the above-described heat dissipating device, the heat-conductive block and the heat sink are separated. This makes the structure of the heat dissipating device unduly complicated and weighty, and difficult to mass-produce. The heat dissipating device runs contrary to the modern trend toward light and small electronic products. In addition, the circulatory passage of the heat-conductive block only has several separate blocks. A contact area of the cooling liquid in the circulatory passage is relatively small, which limits the efficiency of heat dissipation.
- Therefore, an improved heat dissipating device for an electronic component which overcomes the above-mentioned problems is desired.
- Accordingly, object of the present invention is to provide a heat dissipating device with forced coolant and air flow which has excellent heat dissipation efficiency.
- To achieve the above-mentioned objects, a heat dissipating device comprises a heat-conductive container, a heat sink, and an electric pump. The container comprises a main body and a top cover mounted to the main body. The main body defines a containing channel therein, and a first inlet and a first outlet at opposite ends of the containing channel. The container adapted to be intimately attached onto a heat-generating element. The heat sink comprises a plurality of fins and a heat pipe extending through the fins. One end of the heat pipe is connected to the first outlet of the container. The electric pump has a second inlet and a second outlet. The second inlet is connected to an opposite end of the heat pipe. The second outlet is connected to the first inlet of the container. The container, the heat sink and the pump thereby forms a hermetic loop. Liquid coolant is received in the hermetic loop and flows under driving force of the pump. Further, a fan is mounted to a side of the heat sink to provide forced convection. The heat generated from an electron component can be continuously dissipated via the heat sink by continuous circulation of the liquid coolant.
- In achieving the said objectives of the invention herein, the technological means and overall structural innovations are disclosed to demonstrate the most feasible embodiments. Furthermore, the brief description of the drawings below and the following detailed description of the invention will enable a further understanding of the present invention.
- FIG. 1 is an exploded, isometric view of a heat dissipating device in accordance with a preferred embodiment of the present invention;
- FIG. 2 is an assembled view of FIG. 1; and
- FIG. 3 is an isometric view of the heat dissipating device of FIG. 2 installed in a computer cage.
- Referring to FIGS. 1 and 2, a
heat dissipating device 1 in accordance with the preferred embodiment of the present invention comprises a heat-conductive container 10, aheat sink 20, anelectric fan 40, a heat-conductive pipe 50, liquid coolant (not shown), and anelectric pump 30. Thecontainer 10 is attached to a primary surface of an electronic component such as a CPU (not shown), to transfer heat generated by the CPU to theheat sink 20 for subsequent dissipation therefrom. - The
container 10 comprises amain body 11 and atop cover 18. Themain body 11 comprises a plurality ofparallel partitions 12. Eachpartition 12 has one end adjoining a peripheral wall of themain body 11, and an oppositefree end 122. Consecutiveadjacent partitions 12 are arranged so that thefree ends 122 are staggered. Thus a zigzagged passageway (not shown) is defined in themain body 11, for the liquid coolant to flow therealong. A plurality ofvertical heat pins 14 is arranged between each twoadjacent partitions 12. Afirst outlet 16 and afirst inlet 17 are respectively defined in two opposite sides of the peripheral wall. - The
heat sink 20 comprises a bottom plate (not labeled), a plurality ofparallel fins 21 supported on the bottom plate, aU-shaped shell 25 covering three sides of the plurality offins 21, and aheat pipe 23 that winds back and forth through the plurality offins 21 from a bottom of theheat sink 20 to a top of theheat sink 20. The bottom plate,shell 25 and plurality offins 21 cooperatively define a plurality of parallel airflow passages between thefins 21. Theheat pipe 23 comprises aninput portion 232 and anoutput portion 234 at respective opposite ends thereof. Theinput portion 232 of theheat pipe 23 is directly connected to thecontainer 10 at thefirst outlet 16. In an alternative embodiment of the present invention, theinput portion 23 can be indirectly connected to thecontainer 10 at thefirst outlet 16 via an intermediate pipe (not shown). Theheat sink 20 is directly positioned on thecontainer 10 such that the bottom plate of the heat sink 20 intimately contacts a top surface of thecover 18, in order to enhance an efficiency of heat transfer therebetween. - The
pump 30 defines asecond inlet 32 and asecond outlet 34. Thesecond inlet 32 engagingly receives theoutput portion 234 of theheat pipe 23. Thesecond outlet 34 is connected to thefirst inlet 17 of thecontainer 10 through aconductive pipe 50. Thepump 30 is retained on abase 36 by afastener 38. A plurality ofscrews 39 attaches thefastener 38 to thebase 36. - Suitable sealing material is used to seal a joint where the
first outlet 16 receives theinput portion 232, a joint where thesecond inlet 32 receives theoutput portion 234, a joint where thesecond outlet 34 receives one end of theconductive pipe 50, and a joint where thefirst inlet 17 receives an opposite end of theconductive pipe 50. Thecontainer 10,heat sink 20, pump 30 andconductive pipe 50 thus cooperatively define a circulatory course therethrough. The liquid coolant is received in the circulatory course, and can flow under the driving force of thepump 30. The sealing material provides hermetic sealing, which prevents the liquid coolant from leaking from the circulatory course. - The
fan 40 is mounted to a front side of theheat sink 20 via aframe 42. Thefan 40 provides forced airflow directly through the airflow passages of theheat sink 20. - In operation, the
container 10 is attached to the primary surface of the CPU (not shown), and heat generated by the CPU is transferred to the liquid coolant via themain body 11 of thecontainer 10. The liquid coolant in thecontainer 10 changes into high temperature liquid coolant, which flows out from thecontainer 10 via thefirst outlet 16 into theheat pipe 23 of theheat sink 20 under driving force of thepump 30. Heat of the high temperature liquid coolant is transferred to thefins 21 of theheat sink 20, and dissipated therefrom by forced airflow provided by thefan 40. The high temperature liquid coolant in theheat pipe 23 of theheat sink 20 is thus changed into low temperature liquid coolant. The low temperature liquid coolant flows through the circulatory course until it returns to thecontainer 10, whereupon it undergoes a new cycle as described above. The heat generated from the CPU can thus be continuously dissipated by continuous circulation of the liquid coolant. In addition, heat generated from the CPU is also directly transferred to theheat sink 20 through thecover 18 of thecontainer 10. The heat pins 14 of thecontainer 10 enhance transfer of heat from the CPU to thecover 18, and also enhance transfer of heat from thecontainer 10 to the liquid coolant therein. By all the above-described means, the heat dissipation efficiency of theheat dissipating device 1 is considerable. - Referring to FIG. 3, the
heat dissipating device 1 can be retained in acomputer cage 60. Thepump 30 is mounted on aplatform 64 of thecage 60 adjacent theheat sink 20. Alternatively, thepump 30 may be mounted to another suitable part of thecage 60. Forced airflow generated by thefan 40 flows directly from the airflow passages of theheat sink 20 into an inlet vent (not labeled) of apower supply 66, and then to an outside of thecage 60 via an outlet vent (not shown) of thepower supply 66. Thepower supply 66 itself can also be cooled in this process. Indeed, other spaces inside thecage 60 can also be cooled in this process. - It is understood that the invention may be embodied in other forms without departing from the spirit thereof. Thus, the present examples and embodiments are to be considered in all respects as illustrative and not restrictive, and the invention is not to be limited to the details given herein.
Claims (11)
1. A heat dissipating device comprising:
a heat-conductive container comprising a main body and a top cover mounted to the main body, the main body defining a containing channel therein, and a first inlet and a first outlet at opposite ends of the containing channel, the container adapted to be intimately attached onto a heat-generating element;
a heat sink comprising a plurality of fins and a heat pipe extending through the fins, one end of the heat pipe being connected to the first outlet of the container;
an electric pump having a second inlet and a second outlet, the second inlet being connected to an opposite end of the heat pipe, the second outlet being connected to the first inlet of the container, the container, the heat sink and the pump thereby forming a hermetic loop;
liquid coolant being received in the hermetic loop, and flowing under driving force of the pump; and
a fan mounted to a side of the heat sink to provide forced convection;
wherein the heat sink is directly attached to the top cover of the container.
2. The heat dissipating device as described in claim 1 , wherein the main body comprises a plurality of parallel partitions, which define the containing channel as zigzagged.
3. The heat dissipating device as described in claim 1 , wherein the main body comprises a plurality of heat pins positioned in the containing channel.
4. The heat dissipating device as described in claim 1 , wherein the heat pipe winds back and forth through the heat sink.
5. The heat dissipating device as described in claim 1 , wherein the heat sink further comprises a U-shaped shell covering three sides of the plurality of fins to define a plurality of airflow passages.
6. A heat dissipating device comprising:
a container defining a plane adapted to intimately contact a heat generation device, said container defining at least one containing channel with inlet and outlet communicating two opposite ends of the containing channel with an exterior;
a heat sink including a plurality of fins with at least one heat pipe engageably extending through said fins, said heat pipe further connecting to said inlet and said outlet and also serially connected to a pump, said heat pipe cooperating with said container and said pump to form a hermetic loop; and
liquid coolant circulated in said hermetic loop; wherein
a fan is located at one end f the heat sink and actuates air to move between the fins.
7. The heat dissipation device as described in claim 6 , wherein said heat sink directly contacts said container;
8. The heat dissipation device as described in claim 7 , wherein said heat sink is attached to another plane of the container which is opposite to said plane.
9. The heat dissipation device as described in claim 6 , wherein a plurality of heat pins are located in the containing channel.
10. The heat dissipation device as described in claim 9 , wherein said heat pins are integrally formed with the container.
11. The heat dissipation device as described in claim 6 , wherein said heat pipe back and forth extend through said fins for more than one times.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW092201190U TW577586U (en) | 2003-01-22 | 2003-01-22 | Liquid cooling device |
TW92201190 | 2003-01-22 |
Publications (1)
Publication Number | Publication Date |
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US20040140084A1 true US20040140084A1 (en) | 2004-07-22 |
Family
ID=32710233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US10/636,844 Abandoned US20040140084A1 (en) | 2003-01-22 | 2003-08-06 | Heat dissipating device with forced coolant and air flow |
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US (1) | US20040140084A1 (en) |
TW (1) | TW577586U (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
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US20050099774A1 (en) * | 2003-11-06 | 2005-05-12 | Kyu Sop Song | Semiconductor chip cooling module with fin-fan-fin configuration |
US20060005945A1 (en) * | 2004-07-08 | 2006-01-12 | Fujitsu Limited | Cooling module |
US20060021737A1 (en) * | 2004-07-31 | 2006-02-02 | Foxconn Technology Co., Ltd. | Liquid cooling device |
WO2006046022A1 (en) * | 2004-10-25 | 2006-05-04 | Mch Technology Limited | Heat sink |
US20060237166A1 (en) * | 2005-04-22 | 2006-10-26 | Otey Robert W | High Efficiency Fluid Heat Exchanger and Method of Manufacture |
CN100444368C (en) * | 2005-08-03 | 2008-12-17 | 富准精密工业(深圳)有限公司 | Integrated liquid cooling heat abstractor |
CN103629851A (en) * | 2013-12-04 | 2014-03-12 | 中国科学院光电技术研究所 | Air cooling and liquid cooling dual-purpose heat radiator |
US20150271954A1 (en) * | 2014-03-18 | 2015-09-24 | Hong Fu Jin Precision Industry (Wuhan) Co., Ltd. | Heat dissipation device |
CN107731765A (en) * | 2017-11-16 | 2018-02-23 | 安徽合电气科技有限公司 | A kind of integrated liquid cooling heat radiator |
US20180195804A1 (en) * | 2017-01-09 | 2018-07-12 | Blackbezt Lighting Technology Co., Ltd. | Integrated liquid cooling device and method thereof |
US10199308B2 (en) * | 2017-04-24 | 2019-02-05 | Dynatron Corporation | Liquid-cooled heat sink |
US10917995B2 (en) * | 2018-12-28 | 2021-02-09 | Nidec Corporation | Cooling device |
TWI803336B (en) * | 2021-10-08 | 2023-05-21 | 雙鴻科技股份有限公司 | Heat dissipation device |
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- 2003-08-06 US US10/636,844 patent/US20040140084A1/en not_active Abandoned
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